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https://issues.apache.org/jira/browse/RYA-119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15703519#comment-15703519
]
ASF GitHub Bot commented on RYA-119:
------------------------------------
Github user isper3at commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/124#discussion_r89901044
--- Diff:
dao/mongodb.rya/src/main/java/org/apache/rya/mongodb/document/util/DocumentVisibilityUtil.java
---
@@ -0,0 +1,316 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.rya.mongodb.document.util;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+import org.apache.rya.mongodb.MongoDbRdfConstants;
+import org.apache.rya.mongodb.document.visibility.Authorizations;
+import org.apache.rya.mongodb.document.visibility.ByteSequence;
+import org.apache.rya.mongodb.document.visibility.DocumentVisibility;
+import org.apache.rya.mongodb.document.visibility.DocumentVisibility.Node;
+import
org.apache.rya.mongodb.document.visibility.DocumentVisibility.NodeType;
+import org.apache.rya.mongodb.document.visibility.VisibilityEvaluator;
+import org.apache.rya.mongodb.document.visibility.VisibilityParseException;
+
+import com.google.common.base.Charsets;
+import com.google.common.collect.Lists;
+import com.mongodb.BasicDBList;
+
+/**
+ * Utility methods for converting boolean expressions between an Accumulo
column
+ * visibility string style and a multidimensional array that can be used
+ * in MongoDB expressions.
+ */
+public final class DocumentVisibilityUtil {
+ private static final Logger log =
Logger.getLogger(DocumentVisibilityUtil.class);
+
+ /**
+ * Private constructor to prevent instantiation.
+ */
+ private DocumentVisibilityUtil() {
+ }
+
+ /**
+ * Converts a boolean string expression into a multidimensional
+ * array representation of the boolean expression.
+ * @param booleanString the boolean string expression.
+ * @return the multidimensional array representation of the boolean
+ * expression.
+ */
+ public static Object[] toMultidimensionalArray(final String
booleanString) {
+ final DocumentVisibility dv = new
DocumentVisibility(booleanString);
+ return toMultidimensionalArray(dv);
+ }
+
+ /**
+ * Converts a {@link DocumentVisibility} object into a multidimensional
+ * array representation of the boolean expression.
+ * @param dv the {@link DocumentVisibility}. (not {@code null})
+ * @return the multidimensional array representation of the boolean
+ * expression.
+ */
+ public static Object[] toMultidimensionalArray(final
DocumentVisibility dv) {
+ checkNotNull(dv);
+ final byte[] expression = dv.flatten();
+ final DocumentVisibility flattenedDv =
DisjunctiveNormalFormConverter.createDnfDocumentVisibility(expression);
+ final Object[] result =
toMultidimensionalArray(flattenedDv.getParseTree(), expression);
+ return result;
+ }
+
+ /**
+ * Converts a {@link Node} and its corresponding expression into a
+ * multidimensional array representation of the boolean expression.
+ * @param node the {@link Node}. (not {@code null})
+ * @param expression the expression byte array.
+ * @return the multidimensional array representation of the boolean
+ * expression.
+ */
+ public static Object[] toMultidimensionalArray(final Node node, final
byte[] expression) {
+ checkNotNull(node);
+ final List<Object> array = new ArrayList<>();
+
+ if (node.getChildren().isEmpty() && node.getType() ==
NodeType.TERM) {
+ final String data = getTermNodeData(node);
+ array.add(data);
+ }
+
+ log.trace("Children size: " + node.getChildren().size() + " Type:
" + node.getType());
+ for (final Node child : node.getChildren()) {
+ switch (child.getType()) {
+ case EMPTY:
+ case TERM:
+ String data;
+ if (child.getType() == NodeType.TERM) {
+ data = getTermNodeData(child);
+ } else {
+ data = "";
+ }
+ if (node.getType() == NodeType.OR) {
+ array.add(Lists.newArrayList(data).toArray(new
Object[0]));
+ } else {
+ array.add(data);
+ }
+ break;
+ case OR:
+ case AND:
+ array.add(toMultidimensionalArray(child, expression));
+ break;
+ default:
+ break;
+ }
+ }
+
+ return array.toArray(new Object[0]);
+ }
+
+ public static String nodeToBooleanString(final Node node) {
+ boolean isFirst = true;
+ final StringBuilder sb = new StringBuilder();
+ if (node.getType() == NodeType.TERM) {
+ final String data = getTermNodeData(node);
+ sb.append(data);
+ }
+ if (node.getType() == NodeType.AND) {
+ sb.append("(");
+ }
+ for (final Node child : node.getChildren()) {
--- End diff --
do you have to worry about children's children?
> Add visibility support to MongoDB
> ---------------------------------
>
> Key: RYA-119
> URL: https://issues.apache.org/jira/browse/RYA-119
> Project: Rya
> Issue Type: Improvement
> Components: dao
> Affects Versions: 3.2.10
> Reporter: Andrew Smith
> Assignee: Eric White
>
> Currently, when querying mongo, visibility is ignored. Need to add support
> for visibility when querying mongo.
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